<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body> 
    <!-- <h1>标题1</h1>
     <h2>标题2</h2>
     <h3>标题3</h3>   
     <h4>标题4</h4>
     <h5>标题5</h5>
     <h6>标题6</h6> -->
     <!-- <img src="https://tse2-mm.cn.bing.net/th/id/OIP-C.pVR4rdWmQnX04eLAdOEJYAHaN4?rs=1&pid=ImgDetMain" alt="玫瑰" title="玫瑰花" width="100" height="200"> -->
    <!-- <a href="demo1.html">玫瑰图片链接</a> -->
    <!-- <table border="1" style="border-collapse:collapse">
        <tr>
            <td>第一行第一列</td>
            <td>第一行第二列</td>
            <td>第一行第三列</td>
        </tr>
        <tr>
            <td>第二行第一列</td>
            <td>第二行第二列</td>
            <td>第二行第三列</td>
        </tr>
    </table> -->
    <!-- <form action="demo1.html" method="get">
        名字 <input type="text"> <br>
        电话号 <input type="text">
        <input type="submit">
    </form>s
    <a href="demo1.html">提交链接</a> -->       
    <!-- <input type="text"     name="" id="" placeholder=""><br>
    <input type="password" name="" id="" placeholder=""><br>
    <input type="checkbox" name="" id="" checked>
    <input type="radio"    name="" id="" checked>
    <input type="button" value="提交" >
    <input type="submit">     -->
    <!-- <select name="" id="">
        <option value="">北京</option>
        <option value="">上海</option>
        <option value="">深圳</option>
    </select> -->
    <!-- <textarea name="" id=""></textarea> -->
    <!-- <div></div>
    <span></span> -->
    <!-- <div>
        <h1>用户注册</h1>
    </div>
    <div>
        <table>
            <tr>
                <td>用户名</td>
                <td><input type="text" placeholder="请输入用户名"></td>
            </tr>
            <tr>
                <td>手机号</td>
                <td><input type="text" placeholder="请输入手机号"></td>
            </tr>
            <tr>
                <td>密码</td>
                <td><input type="password" placeholder="请输入密码"></td>
            </tr>
        </table>
    </div>
    <div>
        <input type="submit"> 
        <span>已有账号</span>
        <a href="#">登录</a>
    </div> -->
    
    </body>
</html>
